Synonyms for grass

Most common

1. Pasture

pasture, pasturage, graze, forage, eatage dated

2. Weed — marijuana

3. Spring — the season of fresh grass; spring or summer

4. Rat — an informer; snitch, police informer; one who betrays a group (of criminals, etc) to the authorities

Other

turf, litter, knock-out, give-away, ephemera

1. Lay out — to lay out on the grass; to knock down (an opponent etc.)

2. Peach — to act as a grass or informer, to betray; to report on (criminals etc) to the authorities

n. 1
Marijuana.
n. 2
An informer; snitch, police informer; one who betrays a group (of criminals, etc) to the authorities.
What just happened must remain secret. Don't be a grass.
v. 1
To lay out on the grass; to knock down (an opponent etc.).
v. 2
To act as a grass or informer, to betray; to report on (criminals etc) to the authorities.

Word family: gramagrass grass-cock grasscutter grass-eater grasseous grasshopper grassland grasslike
Phrases: grass up couch grass dog grass sour grass quitch grass scutch grass star grass goose grass
Is a kind of: plant

Plural: grasses → pastures, pasturages, grazes, forages…
Past participle: grassed
e.g. grassed → floored, flattened, peached, squeaked…

Use in printed books, per decade from 1850 to 2019.

3 letters: tea¹, pot¹, rat¹, fog¹, boo¹, ses
4 letters: shit¹, shop¹, weed¹, dope¹, herb¹, turf¹, hash¹, hemp¹, sens¹, stag¹, narc¹, clep
5 letters: floor¹, smoke¹, sneak¹, peach¹, skunk¹, graze¹, ganja, bhang
6 letters: spring¹, inform², litter², betray², forage², snitch¹, squeak¹, squeal¹, reefer², tattle², eatage
7 letters: breakup², pasture², flatten², hashish², abaddon, stoolie
8 letters: cannabis³, denounce², informer³, ephemera, squealer, snitcher
9 letters: marijuana⁴, pasturage
10 letters: supergrass

The small number after each word is its number of syllables (inform² = 2 syllables).